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Oil & Gas
| Wed 31 Dec 2025
Beijing, Dec. 31 -- State Intellectual Property Office of China has awarded a patent to Sinopec Oilfield Service and Sinopec Offshore Oil Eng Co Ltd for Coherent Gun Dismounting Device for Marine Seismic Exploration. Wang Guanghong, Yang Shengli, Ge Feng, Jiao Jianbo, Zhang Guangyang and Huang Ruixiang developed the invention.
..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Zhongyuan Oilfield Company patent application for Method for Determining Water Injection Rate of Injection-production Effective Water-flooded Well Group. This invention was developed by Li Shuai, Zhang Wenchang, Xu ..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- China University of Petroleum, Beijing has sought patent for Neural Network Mixing Precision Training Method, Device and Equipment Based on Sampling. This invention was developed by Sun Qingxiao, Dai Wenhao, Jia Ziyi and Bai Yuesi.
The patent application number is CN20251015985 20250106. The patent publicatio..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- China University of Petroleum, East China has applied Chinese patent for Task Unloading Optimization Method Based on Adaptive Particle Swarm Optimization and Reinforcement Learning. Pang Shanchen, Wang Nuanlai and Ji Xiaofeng developed it.
The patent application number is CN202510171540 20250217. The patent p..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Surface Element Attribute Evaluation Method and Device. Wang Yun, Chen Hao, Yan Zeyu, Wang Yaru and Xiao Yunfei developed the invention.
The patent applicat..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released China University of Petroleum, Beijing patent application for Micro-migration-based Shale Oiliness and Shale Oil Mobility Grading Evaluation Method. This invention was developed by Hu Tao, Wu Yuqi, Jiang Fujie, Xiao Huiyi, Guo Jing, Lei Qinglong, Xiong Z..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- China University of Petroleum, East China has filed a patent application for Method for Identifying and Evaluating Remote Well Crack of Horizontal Well by Using Sound Wave Remote Detection Imaging Technology. This invention was developed by Xu Chaoyang, Su Yuanda and Wang Shishuang.
The patent application num..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Shengli Oilfield patent application for Residual Amplitude Compensation Method Based on Well Control Avo Characteristics. This invention was developed by Zhou Xiaoping, Diao Rui, Dong Wei, Wang Yanjun, Zhang Xuetao,..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- PetroChina has submitted a patent application for Stratum Structure-oriented Pre-stack Texture Attribute Calculation Method and System. This invention was developed by Peng Da, Chen Kang, Zhang Xuan, Zou Dingyong, Dai Ruixue and Xu Xiang.
The patent application number is CN202311668402 20231206. The patent pu..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Angle Domain Spectrum Constraint Seismic Imaging Method and Device and Electronic Equipment. The invention was developed by Xu Lu, Xu Qiang and Xiang Chen.
..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Wave Equation Prestack Depth Migration Frequency Division Imaging Method and Device. This invention was developed by Yang Xiangsen, Duan Xinbiao, Guo Qinghua, ..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released PetroChina patent application for Fracture Sealing Property Quantitative Evaluation Method Based on Fault Rock Pore Medium Static Balance. This invention was developed by Li Fei, Li Chenxi, Wang Yonggang, Zhang Mengbo, Liu Feng, Chen Juan, Xu Min, Huang ..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released PetroChina patent application for Shale Thermal Maturity Earthquake Prediction Method Based on V-Ro Model. This invention was developed by Li Chenxi, Li Fei, Wang Yonggang, Zhao Yuhua, Wang Yating, Du Guanghong, Zhang Yadong, She Yuwei and Qu Chang.
T..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- PetroChina has submitted a patent application for Thin-layer Tidal Sand Body Thickness Quantitative Prediction Method. Yu Lei, Huang Yougen, Fei Shixiang, Meng Peilong, Feng Yansong, Wang Jingjian, Liang Dandan, Zhang Haibo, He Liu and Wang Zhunbei developed the invention.
The patent application number is CN2..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Interpolation Method and Device Based on Rapid Data Windowing, Medium and Equipment. This invention was developed by Zhou Yang, Zhang Jing and Zhang Lin.
Th..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Northwest Oil Field Co patent application for Desert Area Seismic Data Processing Near-surface Velocity Modeling Method and Storage Medium. This invention was developed by Yang Wei, Li Haiying, Cai Panpan, Chen Qun,..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Full-waveform Inversion Gradient Preprocessing Method and Device Based on Block Similarity. The invention was developed by Du Zeyuan, Hu Guanghui, He Binghong..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Method and Device for Extracting Seismic Reflection Characteristics of Carbonate Fractured-vuggy Body and Electronic Equipment. This invention was developed by..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Method and Device for Researching Influence of Karst Cave Change on Earthquake Response by Utilizing Forward Modeling Simulation. This invention was developed ..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Formation Pressure Prediction Method and Device Suitable for Small Well Area. Lyu Hui, Hu Huafeng, Lei Chaoyang, Yang Liuxin and Yin Long developed the inventi..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Least Square Reverse Time Migration Method and Computer Readable Storage Medium. Xiang Chen, Sun Min'ao and Xiang Kun developed the invention.
The patent ap..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Broadband Wide-speed Surface Wave Denoising Method and Device. This invention was developed by Du Yangyang and Yao Xiaolong.
The patent application number i..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- China University of Petroleum, East China has submitted a patent application for Electrochemistry-raman-electric Coil Coupling Integrated Equipment. This invention was developed by Qi Jiantao, An Yang, Gong Liang, Liu Yonghao, Wu Yizhan, Liang Mingyu and Zhu Yongqiang.
The patent application number is CN20251..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Northwest Oil Field Co patent application for Pasty Sandstone Physical Property Calculation Method and Device and Storage Medium. This invention was developed by Li Yonghua, Li Haiying, Lin Xuemin, Zhang Xiaoming, Z..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- PetroChina has submitted a patent application for Rock Structure Model and Method for Laying Rock Structure Model. This invention was developed by Ge Jiacheng, Fu Lixin, Pu Xiugang, Lou Da, Zhang Feipeng, Luo Rong, Wang Hui, Zhao Yonggang, Yang Ziyu and Li Huishen.
The patent application number is CN202311666..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has received China University of Petroleum, Beijing patent application for Device for Testing Sealing Performance of Oil Casing Sample. Fan Jianchun, Tian Chunmeng, Hu Jinqiu, Gao Fumin, Han Ting, Sun Jing, Dai Siwei, Dang He, Yang Shuai, Wei Kaizhe and Chen Weijian ..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- PetroChina has submitted a patent application for Method and Device for Evaluating Sealing Performance of XAI Gas Stored in Underground Gas Storage. Zhou Donglin, Wang Xiaodong, Zhou Zhaoheng, Zeng Dejun, Qi Lei and Wang Wei developed the invention.
The patent application number is CN202311661856 20231206. ..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd patent application for Storage Tank Bottom Sediment Real-time Monitoring System. This invention was developed by Zhang Jianming, Shi Lei, Zhou Liguo, Wang Xiaol..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has released Sinopec Oilfield Service, Sinopec Shengli Petroleum Engineering, Drilling Fluid Tech Service Center Sinopec Shengli Petroleum Engineering Co Ltd and Shandong Shenggong Petroleum Tech Co Ltd patent application for Detection Device and Detection Method for..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- PetroChina has applied Chinese patent for Ultrasonic Detection Method for Layering of Multi-layer Metal Material Explosive Clad Steel Plate. Wei Peisheng, Yang Jing, Tang Feiyangliang, Wang Bo, Xie Zhigang, Zhang Wenze, Li Zhenjie and Bai Mingqing developed it.
The patent application number is CN202311644473 ..
Oil & Gas
| Fri 02 Jan 2026
Beijing, Jan. 2 -- State Intellectual Property Office of China has published Northeast Petroleum University patent application for Method for Measuring Heat Conductivity Coefficient of Pore Type Porous Medium. The invention was developed by Wang Zhiguo, Dong Yushuang, Li Hu, Wang Xiaohan, Chen Yansong, Zhang Yinian, Zhao Yuechao..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has awarded a patent to Shanghai CIMC Yangshan Logistics Equipment, Zhongji Zhongdian Yangzhou Hydrogen Equipment Co Ltd, China International Marine Containers (Group) and Cimc Container Group Co Ltd for Electrolytic Hydrogen Production System. Wang Di, Wang Guiyuan,..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has received PetroChina patent application for Universal Lifting Device. Ning Lijun, Gong Yanhong, Li Jian, Ning Xinru, Yu Guodong, Zhao Chang, Zhang Qijun, Ma Wei, Liu Qiunan and Zhang Bin developed the invention.
The patent application number is CN202311668039 202..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- China University of Petroleum, East China has filed a patent application for Underwater Production System Manifold Leakage Three-dimensional Positioning Method Based on Underwater Acoustic Signals. This invention was developed by Cai Baoping, Liu Xuelin, Liu Yonghong, Jiang Yi, Ji Guowei, Wu Kaizheng, Wang-che..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has sought patent for Oil Field Station Pipeline Failure Cause Analysis System and Method. This invention was developed by An Chao, Liu Hongtao, Gong Yanshuang, Tang Hongjun, Wang Hongjun, Wu Chao, Zhang Jingshan, Meng Bo, Tan Chuanjiang, Xian Jun, Ma Lei and Zhang Jiadong.
The patent application n..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has released China Petroleum & Chemical, Sinopec Oilfield Service and Sinopec Petroleum Eng Corp patent application for Supercritical Carbon Dioxide Pipeline Commissioning Process System and Commissioning Method. This invention was developed by Fan Zhenning, Jing Sha..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has released China University of Petroleum, Beijing and Zhongshi Zhikong Beijing Tech Co Ltd patent application for Control Method and Device for Liquefied Natural Gas Receiving Station. This invention was developed by He Renchu, Sun Lin and Yin Weibing.
The paten..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has filed a patent application for Pipeline Noise Reduction System and Method Based on Active Frequency Modulation. This invention was developed by Zhao Wei, Feng Xiaobo, Yu Lu, Liu Han, Jiang Yu and Gao Junmin.
The patent application number is CN202311662047 20231206. The patent publication number..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has sought patent for Sealing Structure for Protecting Floating End Bearing of Reaction Stirrer of Polypropylene Device. This invention was developed by Leng Zhong, Qin Jun, Chen Zhiwei, Liang Jiangtao, Qiao Liangjie, Tian Qichao, Su Weiyi, Gao Kang, Zeng Shaomin, Yang Feng, Ren Haixin, Pan Xiaoguan..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has released Daqing Oilfield and PetroChina patent application for Speed-adjustable Gear Transmission Device of Oil Pumping Unit. This invention was developed by Zhang Quantong, Shang Lifan, Wang Yuanyuan, Wang Chungang, Wang Zhiqing, Zhang Zhigang and Zhang Honglian..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has released Shandong Darui Intelligent Equipment Co Ltd patent application for Hydraulic Oil Cylinder with High Sealing Performance. This invention was developed by Zhou Yonghao.
The patent application number is CN202510549184 20250428. The patent publication num..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Zhenhai Refining & Chemical Company patent application for Bearing Isolator and Pump. Wang Qun, Wang Keqing, Zhang Bi, Wang Ya, Zhu Qiang and Hu Wanji developed the invention.
The patent application number is CN2..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has submitted a patent application for Pulsation Reduction Device of Dry Screw Compressor. This invention was developed by Zhang Xin, Wang Yunfei, Xu Haojie, Dai Fengtao, Zhang Xiaowei, Liu Zehan, Han Fengmei and He Xunyu.
The patent application number is CN202311644476 20231204. The patent publica..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has published Hubei Zuoxiang Petroleum Machinery Mfg Co Ltd patent application for Energy-saving Slurry Pump Based on Circulating Cooling of Emulsified Liquid. The invention was developed by Ou Min, Sun Ouyang, Yu Hongyu and Peng Ruiqi.
The patent application numb..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has published Sinopec Oilfield Service, Sinopec Shengli Petroleum Engineering, Drilling Fluid Tech Service Center Sinopec Shengli Petroleum Engineering Co Ltd and Shandong Shenggong Petroleum Tech Co Ltd patent application for Drilling Fluid Waste Heat Power Generati..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has received Beijing Changyi Tech Co Ltd patent application for Transcritical Carbon Dioxide Energy Storage System Based on Energy Supplement of Gas Storage. Mei Xiaofeng and Ma Jun developed the invention.
The patent application number is CN202510222418 20250227...
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has received China University of Petroleum, Beijing patent application for Nitrogen Atom Doped Carbon Material Loaded Superfine Metal Nano-cluster Catalyst and Preparation and Application Thereof. Yang Jueqi, Wan Zijie, Liu Jian, Mei Shuxing, Zhang Haipeng, Luo Jiaqi..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- China University of Petroleum, Beijing has filed a patent application for Ru-CeO2/NC Catalyst as Well as Preparation Method and Application Thereof. This invention was developed by Yang Jueqi, Wan Zijie, Kang Bohan, Liu Jian, Mei Shuxing, Zhang Haipeng and Luo Jiaqing.
The patent application number is CN202..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Northwest Oil Field Co patent application for Strike-slip Breaking Control Carbonate Rock Fracture-cavity Reservoir Fluid Discrimination Method and Application Thereof. The invention was developed by Chen Liumao, X..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has released PetroChina patent application for River Channel Sand Body Period Division Method, System, Equipment and Medium. This invention was developed by Zhang Bo, Cui Xiaohu, Liu Yongfu, Li Hong, Zhou Bihui, Qin Xue, Sun Yueyu, Hou Dawei, Gan Huawen, Zhang Yue, Y..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Earthquake Data-based Pre-drilling Evaluation Method and Device for Borehole Wall Stability of Inclined Shaft. The invention was developed by Hu Huafeng, Sun ..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has published Schlumberger Oilfield Technology (Shandong) patent application for Underground Electromagnetic Wave Signal Receiving Nipple. The invention was developed by Gu Peng, Geng Gan and Cao Xun.
The patent application number is CN202510591638 20250509. The pat..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- China University of Petroleum, Beijing has filed a patent application for Method, Device and Equipment for Adjusting Bottom Hole Pressure Under Drilling Gas Cut Condition. This invention was developed by Zhu Zhaopeng, Wang Haobo, Duan Shiming, Song Xianzhi, Li Gensheng, Zhou Mengmeng and Zhang Chengkai.
The p..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- China National Petroleum and China Petroleum Logging Co Ltd have sought patent for Probe Shell of Acoustic Logging Instrument. This invention was developed by Liu Yanchang, Zhang Bingjun, Wang Shuihang, Zhu Ruiming, Wang Jingang, Tao Jun, Song Yu and Liu Zhe.
The patent application number is CN202311658703 ..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has submitted a patent application for Separate Injection Tubular Column Suitable for Separate Injection Well and Online Detection and Allocation Method of Separate Injection Tubular Column. This invention was developed by Wei Haitao, Song Zuchang, Yang Haichao, Qiao Dongsheng, Hu Nan, Wu Hui, Jia D..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has published China National Petroleum and China Petroleum Logging Co Ltd patent application for Ground Comprehensive Acquisition System Compatible and Supporting Multiple Logging Instruments and Acquisition Method. The invention was developed by Wang Qiang, Yao Dezh..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has received China National Petroleum and China Petroleum Logging Co Ltd patent application for Well Logging Construction Method of Underground Sound Wave Detection System. He Quanlong, Chen Tao, Liu Jie, Chen Wenhui, Lu Wanting, Sun Shaowei, Han Zhao, Chen Xiaoan an..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Northwest Oil Field Co patent application for Carbonate Rock Pore Pressure Prediction Method and Device Based on Pore Volume Increment. Huang Chao, Han Jun, Geng Feng, Zhang Shenglong, Zhang Chunfu and Li Jingang de..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has released China National Petroleum and China Petroleum Logging Co Ltd patent application for Blowout Prevention Equipment Detection Device and Method for Production Logging. This invention was developed by Xu Qingdong, Ma Ying, Chi Ming, Wang Haipeng, Zhao Yun, Wa..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has released China Petroleum & Chemical, Sinopec Oilfield Service, Sinopec Shengli Petroleum Engineering and Drilling Tech Res Institute Shengli Petroleum Eng Co Ltd Sinopec patent application for Drill Torque Change Self-adjusting Device. This invention was develop..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has published Dongying Changrui Petroleum Machinery Fittings Co Ltd patent application for Hydraulic Ejector. The invention was developed by Gao Yundong, Bai Dong, Zhou Qin, Ji Hongwei, Wang Xiaoqiang, Qian Chengming and Song Wenjie.
The patent application number ..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has sought patent for Fracture Complexity Evaluation Method Based on Fracturing Water Hammer Effect. This invention was developed by Cao Wei, Qi Yin, Xue Xiaojia, Chen Wenbin, Ma Bing, Bai Jie, Tao Liang, Li Xiaoyan, Xu Rongli and Zhang Yangyang.
The patent application number is CN202311655185 2023..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has received PetroChina patent application for Same-layer Synchronous Fracturing Method for Local Well and Adjacent Well. He Zengjun and Song Chengli developed the invention.
The patent application number is CN202311646200 20231204. The patent publication number is ..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has filed a patent application for Positive and Negative Displacement Experimental Device and Method for Oilfield Water Drive Development. This invention was developed by Li Zhongcheng, Wang Liangliang, Zhang Yimin, Gao Zhenfeng and Jin Zitong.
The patent application number is CN202311646212 202312..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has published China University of Petroleum, Beijing and Beijing Polydoctor Petroleum Tech Co Ltd patent application for Compact Reservoir Co2-wag Oil Displacement and Burying Capacity Calculation Method, Device and Equipment. The invention was developed by Chai Xiao..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has submitted a patent application for Pump Collision Device of Oil Pumping Unit. This invention was developed by Chen Chunxiang, Hu Yanwen, Jia Chunguang, Wang Zhengrong, Feng Mengmeng, Liu Jiangsong, Chen Liang, Lu Xin, Song Zhongli and Jin Guoqing.
The patent application number is CN202311666854..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- Xi'an Guantong Energy Tech Co Ltd has filed a patent application for Electric Pulse Transient Shock Wave Oil-water Well Resonance Yield Increasing Method and System. This invention was developed by Feng Yanfei, Li Tian, Xu Wanlei and Lyu Guomin.
The patent application number is CN202510600547 20250512. The ..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has released PetroChina patent application for Manual-automatic Integrated Remote Monitoring Oil Well Dosing and Gas Collecting Device. This invention was developed by Wen Wei, Duan Yongqiang, Li Zhe, Liu Hongyun, Lai Wenyan, Zhao Lei, Chen Hongliang, Yu Jianmin, Li ..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- China National Petroleum, Cnpc Engineering Mat R & D Company Limited and Xi'an Tri Ring Oil Pipe Tech Co Ltd have sought patent for Anti-corrosion, Anti-scale and Anti-wax Underground Device for Oil Well. This invention was developed by Zhang Pengju, Cheng Fei, Li Yafeng, Gu Zhongbo, Ma Yufeng, Dong Lichao, Li..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has received Cnpc Bohai Equipment Mfg Co Ltd, China National Petroleum and Bohai Petroleum Equipment Tianjin Zhongcheng Machinery Mfg Co Ltd patent application for Electric Heating System for Dropping and Fishing Cable. Wang Tao, Yang Songbin, Wang Peng, Wang Chaoyan..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has sought patent for Device and Method for Controlling Opening and Closing of Horizontal Well Fracturing String Through Self-telescopic Spring Plugging Valve. This invention was developed by Yang Yixing, Zhu Xizhu, Yu Jianjun, Cao Qinghong, Li Penggang, Sui Mingxiang, Wang Dekuan, Liu Lina, Fu Yanl..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- Dongying Zhaoxin Ind And Trade Co Ltd has applied Chinese patent for Anti-blocking Oil Drainage Device for Oil Field. Wang Bowen, Yan Jing, Liu Wei, Song Shasha, Liu Lintao, Xiang Wenming, Song Jinhuan, Cao Chenglin, Wang Shengnan, Chen Lijuan and Zhang Panpan developed it.
The patent application number is ..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has published Sinopec Oilfield Service, Sinopec Shengli Petroleum Engineering and Drilling Tech Res Institute Shengli Petroleum Eng Co Ltd Sinopec patent application for Cement Plug Injection Device and Cement Plug Injection Method Based on Double-wall Drill Pipe Sys..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has released Dongying Jingchi Petroleum Tech Co Ltd patent application for Drilling-plug-free Graded Cementing Device for Well Cementation. This invention was developed by Zhou Yahong.
The patent application number is CN202510537593 20250427. The patent publicatio..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- Dongying Zhaoxin Ind And Trade Co Ltd has submitted a patent application for Gradual Expansion Type Packer for Oil Field. Song Jinhuan, Cao Chenglin, Wang Shengnan, Wang Bowen, Yan Jing, Liu Wei, Song Shasha, Liu Lintao, Xiang Wenming, Chen Lijuan and Zhang Panpan developed the invention.
The patent applica..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- Shandong Juhui Petroleum Tech Co Ltd has applied Chinese patent for High-temperature-resistant and High-pressure-resistant Packer for Deep Production in Oil Field. Zhang Qun, Liu Chunxing, Chen Xueguang, Li Xiaofeng and Yao Wenkang developed it.
The patent application number is CN202510599872 20250512. The ..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has published PetroChina patent application for Temporary Plugging Ball, Ball Throwing Device and Steam Injection Temporary Plugging Device and Method. The invention was developed by Guo Hongjun, Dong Pengyi, Kuang Xuguang, Wang Yan, Tian Yuqiu, Jiao Cheng, Sun Pengb..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has submitted a patent application for CO2-resistant Multifunctional Coiled Tubing Suspension Sealing Device. This invention was developed by Wang Feng, Zhang Deping, Tian Chuang, Liu Yiwei, Zhong Shuang, Song Yan and Hao Hao.
The patent application number is CN202311646205 20231204. The patent p..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- Xi'an Changqing Tongxin Petroleum Tech Co Ltd has sought patent for Wellhead Sealing Device and Sealing Method for Gas Recovery Well. This invention was developed by Li Yaode, Luo Xin, Luo Zixuan, Ma Jingyang, Mouquet, Guo Jing, Zhang Wenqiang, Li Yuxing and Sun Yuan.
The patent application number is CN2025..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has received China National Petroleum; CNPC Chuanqing Drilling Engineering patent application for Self-floating Oil Pipe Inner Drifting Device and Drifting Method. Tian Jun, Wang Jingang, Han Jingjing, Zhang Mian, Bai Mingwei, Ren Bin, Yuan Jun and Wang Yue developed..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- China University of Petroleum, East China has submitted a patent application for Oil Gas Microwave Electric Pulse Resonance Impact Synergistic Production Increasing Control System. Li Jialin, Zhang Jian, Chen Jiming, Zhang Songrui, Li Xiaobin, Ma Mingkai, Liu Jiapeng and Xu Mingrui developed the invention.
Th..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- Dongying Jinwang Petroleum Machinery Mfg Co Ltd has filed a patent application for Anchoring Pressure Adjustable Hydraulic Anchor. This invention was developed by Liu Chao and Liu Kai.
The patent application number is CN202510600072 20250512. The patent publication number is CN120100351 (A). International P..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has published Dongying Jinwang Petroleum Machinery Mfg Co Ltd patent application for Anti-blocking Double-hydraulic-pressure Hydraulic Anchor. The invention was developed by Liu Chao and Liu Kai.
The patent application number is CN202510558931 20250430. The patent..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has submitted a patent application for Device and Process for On-line Replacement of Main Valve of Water Injection Well. This invention was developed by Wang Ruidong, Huang Xiaojun, Li Su, Yu Xinran, Feng Xianlin, Lu Hui, Li Yanhui, Fu Guichun, Bai Xiangsong and Yu Yuan.
The patent application numb..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has submitted a patent application for Horizontal Well Reverse Circulation Continuous Sand Washing Method. Zhang Hui, Xu Jianguo, Chen Ning, Huang Hui, Xu Fengyang, Deng Maoyou, Ding Shuai, Xie Min and Li Chengsen developed the invention.
The patent application number is CN202311646198 20231204. Th..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has submitted a patent application for Non-contact Intelligent Oil Pipe Joint Tool. Xu Jianguo, Huang Hui, Yang Qinghai, Sun Wei, Liu Yazhen, Ye Qinyou, Jia Deli, Yang Xingguo, Wang Quanbin and Xu Gege developed the invention.
The patent application number is CN202311646192 20231204. The patent pub..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- PetroChina has sought patent for PDC Drill Bit with Impact Function. This invention was developed by She Chaoyi, Fan Yu, Guo Jianhua, Tang Yijia, Hu Xihui and Shen Xinyu.
The patent application number is CN202311662383 20231206. The patent publication number is CN120100327 (A). International Patent Classifi..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- Inner Mongolia Wanrui Natural Gas Co Ltd has secured a patent on Purification Treatment Device for Liquefied Natural Gas Production. Yang Ke, Wang Zhongwei, Li Mo and Zhang Yongqiang developed the invention.
The patent application number is CN202421686602U 20240717. The patent publication number is CN222935..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- Chinese Patent for High-quality Coke Oven Gas Purification System has been issued to Shanghai Shengsheng Chemical Tech Co Ltd. This invention was developed by Huang Hengbo, Yang Yong and Zhang Jing.
The patent application number is CN202421942192U 20240812. The patent publication number is CN222935365 (U). ..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- Puyang Yousheng Petroleum Machinery Mfg Co Ltd has filed a patent application for Valve Body Extractor. This invention was developed by Zhao Mingzhen.
The patent application number is CN202422395246U 20240930. The patent publication number is CN223099123 (U). International Patent Classification code is B25B..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- State Intellectual Property Office of China has received Jianghan Oilfield Jiangji Petroleum Machinery Qianjiang Co Ltd patent application for Pumping Unit Crank Pin Shaft Pulling-out Device. Wu Zhaomin, Zeng Xiongwei, Chen Ziqi and Ji Jiajun developed the invention.
The patent application number is CN20242..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- Beijing Xipu Huosi Tech Co Ltd has been granted a patent for Plugging Structure for Oil Leakage of Oil Depot. This invention was developed by Liao Lin, Liao Anqi, Wang Wei and Xu Mengyang.
The patent application number is CN20242293932U 20240828. The patent publication number is CN222935176 (U). Internation..
Oil & Gas
| Thu 01 Jan 2026
Beijing, Jan. 1 -- Fujian Quanzhou Sales Branch Of Petrochina Company Ltd has obtained a patent for oil tank cap placement alarm device. This invention was developed by Zhong Shixian.
The patent application number is CN202420107875U 20240116. The patent publication number is CN222935174 (U). International Patent Classificatio..
Oil & Gas
| Wed 31 Dec 2025
Beijing, Dec. 31 -- Liaohe Petroleum Explor Bureau Co Ltd and China National Petroleum have sought patent for Full-automatic Welding Process for Low-alloy High-strength High-pressure Thick-wall Pipeline. This invention was developed by Tan Yongliang, Han Peijun, Wang Yongzhi, Zhang Haotian, Meng Yan, Zheng Bo, Cui Mingjia, Wang ..
Oil & Gas
| Mon 29 Dec 2025
Beijing, Dec. 30 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have submitted a patent application for Process System and Process Method for Continuously Preparing Lactide Through Direct Cyclization of Lactic Acid. This invention was developed by Sun Qimei, Bai Yuli, Liu Laiwu, ..
Oil & Gas
| Mon 29 Dec 2025
Beijing, Dec. 30 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have submitted a patent application for Ammonia Spraying and Mixing Equipment for Flue Gas Denitration. This invention was developed by Wang Mingxing, Li Lei, Jin Ping, Li Xin and Li Rui.
The patent application nu..
Oil & Gas
| Wed 31 Dec 2025
Beijing, Dec. 31 -- State Intellectual Property Office of China has released China National Petroleum and Cnpc Engineering Mat R & D Company Limited patent application for Alkaline Flux-cored Wire for Welding Oil and Gas Pipelines and Preparation Method of Alkaline Flux-cored Wire. This invention was developed by Qi Lihua, Yang ..
Oil & Gas
| Mon 29 Dec 2025
Beijing, Dec. 30 -- China Petroleum & Chemical and Sinopec Nanjing Chemical Ind Co Ltd have sought patent for Crushing and Conveying Device for Fine Coal Gasification Slag. This invention was developed by Xu Bin, Yang Zhenggang, Xu Rongfa, Wang Chen, Li Haitao and Zhang Fang.
The patent application number is CN202510324785 20..
Oil & Gas
| Mon 29 Dec 2025
Beijing, Dec. 30 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have submitted a patent application for Modified H Beta Molecular Sieve, Catalyst Containing Modified H Beta Molecular Sieve, and Preparation and Application of Modified H Beta Molecular Sieve. Wang Zhenyu, Zheng Bum..
Oil & Gas
| Mon 29 Dec 2025
Beijing, Dec. 30 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have submitted a patent application for Modified HZSM-5 Molecular Sieve, Catalyst Containing Modified HZSM-5 Molecular Sieve as Well as Preparation and Application of Modified HZSM-5 Molecular Sieve. This invention w..
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